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20103012021224 = 23115326916023239
BaseRepresentation
bin1001001001000100110001…
…11000111111001111101000
32122011211101110202101021002
410210202120320333033220
510113331432034134344
6110431110215134132
74143252243531236
oct444423070771750
978154343671232
1020103012021224
116450704224280
122308122074348
13b2a923b26552
144d6dc3333956
1524cdd373b44e
hex124898e3f3e8

20103012021224 has 64 divisors (see below), whose sum is σ = 42051391056000. Its totient is φ = 8931993790720.

The previous prime is 20103012021203. The next prime is 20103012021241. The reversal of 20103012021224 is 42212021030102.

It is a junction number, because it is equal to n+sod(n) for n = 20103012021196 and 20103012021205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6757004 + ... + 9266235.

It is an arithmetic number, because the mean of its divisors is an integer number (657052985250).

Almost surely, 220103012021224 is an apocalyptic number.

It is an amenable number.

20103012021224 is an abundant number, since it is smaller than the sum of its proper divisors (21948379034776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20103012021224 is a wasteful number, since it uses less digits than its factorization.

20103012021224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16023578 (or 16023574 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20103012021224 its reverse (42212021030102), we get a palindrome (62315033051326).

The spelling of 20103012021224 in words is "twenty trillion, one hundred three billion, twelve million, twenty-one thousand, two hundred twenty-four".

Divisors: 1 2 4 8 11 22 44 53 88 106 212 269 424 538 583 1076 1166 2152 2332 2959 4664 5918 11836 14257 23672 28514 57028 114056 156827 313654 627308 1254616 16023239 32046478 64092956 128185912 176255629 352511258 705022516 849231667 1410045032 1698463334 3396926668 4310251291 6793853336 8620502582 9341548337 17241005164 18683096674 34482010328 37366193348 47412764201 74732386696 94825528402 189651056804 228443318423 379302113608 456886636846 913773273692 1827546547384 2512876502653 5025753005306 10051506010612 20103012021224